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1.2 Step 1 of DOE Introduction Question
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An alternative hypothesis is which set of the null hypothesis?
10 points
Union set
Alternative set
Universal set
Complementary set
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Which of the following is an example for an alternative hypothesis?
10 points
The medicine is observed to be slightly better but not statistically significant
The medicine is as good as the competitor’s one
The medicine does not work
The medicine does work
Clear selection
Alternative hypothesis may include any signs, BUT
10 points
Not equal to
Equal to
Greater than
Smaller than
Clear selection
Which of the hypotheses, an experimenter would like to typically accept (or “do not reject”)?
10 points
Alternative hypothesis
Null hypothesis
Researchers like to reject it in general
Hypothesis
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Alternative hypothesis is defined by
10 points
An alternative/other form of the null hypothesis
Determine the mean difference between treatments
Not equal, greater than or smaller than the target value
Everything else except what is included in the null hypothesis
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A significant result concluded from
10 points
By reject the hypothesis
By rejecting the null hypothesis
By rejecting the alternative hypothesis
By accepting the null hypothesis
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Which of the following is an example for a null hypothesis?
10 points
One RPM setting is worse than the other setting with respect to the surface finish
The RPM setting is not equal with respect to the surface finish
One RPM setting is better than the other setting with respect to the surface finish
The two machine RPM setting is same with respect the surface finish
Clear selection
Hypothesis are made for the
10 points
Population
Experiment
Study/Research
Sample
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Which of the following is an example for a null hypothesis?
10 points
The medicine does work
The medicine does not work
The medicine works better
The medicine works worse
Clear selection
Which of the following is an example for an alternative hypothesis?
10 points
The medicine does work
The medicine does not work
The medicine is as good as the competitor’s one
The medicine is observed to be slightly better but not statistically significant
Clear selection
The null hypothesis includes any statement, BUT
10 points
No difference between treatments
Treatments are same with respect to the factors
Equal effects from the treatments
Same effects from the treatments
Clear selection
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